JPS59195985U - Soft start circuit for high voltage power supply - Google Patents
Soft start circuit for high voltage power supplyInfo
- Publication number
- JPS59195985U JPS59195985U JP8566983U JP8566983U JPS59195985U JP S59195985 U JPS59195985 U JP S59195985U JP 8566983 U JP8566983 U JP 8566983U JP 8566983 U JP8566983 U JP 8566983U JP S59195985 U JPS59195985 U JP S59195985U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- high voltage
- power supply
- circuit
- smoothing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Dc-Dc Converters (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案に係る高電圧電源のソフトスタート回路
の１実施例、第２図は第１図のソフトスタート回路の動
作説明図、第３図は他の実施例、第４図は第３図のソフ
トスタート回路の動作説明図を示す。
１は本考案に係る高電圧電源のソフトスタート回路、２
はスイッチングレギュレータコントロール用ＩＣ，３は
スイッチング回路、４は昇圧トランス、７は分圧回路、
８は電流検出回路、９はデッドタイムコントロール端子
である。FIG. 1 is an embodiment of the soft start circuit for a high voltage power supply according to the present invention, FIG. 2 is an explanatory diagram of the operation of the soft start circuit of FIG. 1, FIG. 3 is another embodiment, and FIG. 3 is an explanatory diagram of the operation of the soft start circuit shown in FIG. 3. 1 is a soft start circuit for a high voltage power supply according to the present invention; 2
is a switching regulator control IC, 3 is a switching circuit, 4 is a step-up transformer, 7 is a voltage divider circuit,
8 is a current detection circuit, and 9 is a dead time control terminal.
Claims (1)
する増幅手段と、該増幅手段からの信号により電源に接
続されたトランスの１次側電流をスイッチング制御する
スイッチング手段と、該スイッチング電流により生じた
電圧を昇圧する電圧昇圧手段と、該電圧昇圧手段からの
高電圧を整流する整流手段と、該整流手段により整流さ
れた電゛ 圧を平滑にする平滑手段と、該平滑にされ
た電圧を分圧し検出する電圧検出手段と、該電圧検出手
段よからの検出電圧を基準電圧と比較する比較手段と、
該手較手段からの差分を前記電圧制御型パルス発振器に
負帰還したことからなる高電圧電源において、外部から
高電圧出力の発生・阻止を制御する外部制御端子と、該
外部制御端子からの高電圧発生信号にもとづき高電圧発
生信号を徐々に供給する高電圧発生信号回路と、該高電
圧発生信号回路からの電圧が供給されるデッドタイム・
コントロール端子とをそなえ、該端子に供給された電圧
にもとづきスイッチング用のパルス電圧を発生させるデ
ッドタイムコントロール回路とを有スることを特徴とす
る高電圧電源のソフトスタート”回路。a voltage-controlled pulse oscillator; an amplifying means for amplifying a signal from the oscillator; a switching means for controlling switching of a primary current of a transformer connected to a power supply using a signal from the amplifying means; a rectifying means for rectifying the high voltage from the voltage increasing means; a smoothing means for smoothing the voltage rectified by the rectifying means; and a smoothing means for smoothing the voltage rectified by the rectifying means. a voltage detection means for dividing and detecting the voltage; and a comparison means for comparing the detected voltage from the voltage detection means with a reference voltage;
In a high voltage power supply in which the difference from the calibration means is negatively fed back to the voltage controlled pulse oscillator, an external control terminal for externally controlling generation/blocking of high voltage output, and a high voltage output from the external control terminal are provided. A high voltage generation signal circuit that gradually supplies a high voltage generation signal based on the voltage generation signal, and a dead time circuit in which the voltage from the high voltage generation signal circuit is supplied.
1. A "soft start" circuit for a high voltage power supply, comprising a control terminal and a dead time control circuit that generates a switching pulse voltage based on the voltage supplied to the terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8566983U JPS59195985U (en) | 1983-06-03 | 1983-06-03 | Soft start circuit for high voltage power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8566983U JPS59195985U (en) | 1983-06-03 | 1983-06-03 | Soft start circuit for high voltage power supply |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59195985U true JPS59195985U (en) | 1984-12-26 |
| JPS642547Y2 JPS642547Y2 (en) | 1989-01-20 |
Family
ID=30215632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8566983U Granted JPS59195985U (en) | 1983-06-03 | 1983-06-03 | Soft start circuit for high voltage power supply |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59195985U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6454785U (en) * | 1987-09-29 | 1989-04-04 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5864516A (en) * | 1981-10-14 | 1983-04-16 | Matsushita Electric Ind Co Ltd | Switching power source device |
-
1983
- 1983-06-03 JP JP8566983U patent/JPS59195985U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5864516A (en) * | 1981-10-14 | 1983-04-16 | Matsushita Electric Ind Co Ltd | Switching power source device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6454785U (en) * | 1987-09-29 | 1989-04-04 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS642547Y2 (en) | 1989-01-20 |
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